invade

in·vade

transitive verb \in-ˈvād\

in·vad·edin·vad·ing

Definition of INVADE

1

: to enter for conquest or plunder

2

: to encroach upon : infringe

3

a : to spread over or into as if invading : permeate <doubts invade his mind>

b : to affect injuriously and progressively <gangrene invades healthy tissue>

— in·vad·er noun

Examples of INVADE

1. The troops invaded at dawn.
2. When tourists invade, the town is a very different place.
3. The cancer eventually invaded the brain.
4. Weeds had invaded the garden.
5. Bacteria invaded and caused an infection.

Origin of INVADE

Middle English, from Latin invadere, from in- + vadere to go — more at wade

First Known Use: 15th century

Related to INVADE

Synonyms

foray (into), overrun, raid

Related Words

despoil, loot, maraud, pillage, plunder, ransack, ravage, sack, strip; conquer, crush, dominate, overcome, overpower, overwhelm, subdue, subject, subjugate, vanquish; assail, assault, attack, beset, charge, rush, storm, strike; battle, clash (with), combat, fight, war (with); encroach, harass, infringe, trespass; beleaguer, besiege, blockade, invest; garrison, occupy

Near Antonyms

defend, guard, protect, safeguard, shield, ward; defy, oppose, repel, resist, withstand; capitulate (to), cede (to), submit (to), succumb (to), surrender (to), yield (to)

See Synonym Discussion at trespass

Rhymes with INVADE

abrade, afraid, air raid, arcade, Band-Aid, barmaid, Belgrade, blockade, bondmaid, bridesmaid, brigade, brocade, cascade, charade, clichéd, cockade, corrade, cross-trade, crusade, decade, degrade, dissuade, downgrade, evade, eyeshade, fair-trade, first aid, glissade, grenade, handmade, homemade, housemaid, inlaid, limeade, low-grade, man-made, mermaid, milkmaid, navaid, nightshade, nursemaid, old maid, parade, persuade, pervade, plain-laid, pomade, postpaid, sacheted, scalade, sea-maid, self-made, stockade, sunshade, switchblade, torsade, twayblade, twice-laid, unbraid, unlade, unmade, unpaid, upbraid, upgrade

in·vade

transitive verb \in-ˈvād\   (Medical Dictionary)

in·vad·edin·vad·ing

Medical Definition of INVADE

1

: to enter and spread within either normally (as in development) or abnormally (as in infection) often with harmful effects <protect the body from invading viruses> <branches of a nerve invade the skin area>

2

: to affect injuriously and progressively <gangrene invades healthy tissue>

—in·vad·er \-ˈvād-ər\ noun